conscientiousness n 1: the quality of being in accord with the dictates of conscience [ant: {unconscientiousness}] 2: the trait of being painstaking and careful [syn: {conscientiousness}, {painstakingness}] [ant: {unconscientiousness}]
Conscientiousness \Con`sci*en"tious*ness\, n. The quality of being conscientious; a scrupulous regard to the dictates of conscience. [1913 Webster]